Bread was a common food during meals. Here "break bread" probably means they shared a meal with more kinds of food than just bread. (See: [[rc://en/ta/man/translate/figs-synecdoche]])
This refers to Eutychus ([Acts 20:09](./09.md)). Possible meanings are 1) he was a young man over 14 years old or 2) he was a boy between 9 and 14 years old or 3) the word "boy" implies that he was a servant or a slave.